Table 2.
Postoperative data of the two groups.
| Parametera | Mean ± SD (95% CI) | T-statistic | Prob level | ||
|---|---|---|---|---|---|
| Bilateral | Blended | Difference | |||
| Binocular visual acuity (logMAR)b | |||||
| UCDVA | −0.02 ± 0.10 (−0.07, 0.03) | −0.00 ± 0.12 (−0.06, 0.06) | −0.02 ± 0.11 (−0.10, 0.05) | −0.618 | 0.541 |
| CDVA | −0.08 ± 0.07 (−0.12, −0.04) | −0.07 ± 0.11 (−0.13, −0.01) | −0.01 ± 0.09 (−0.08, 0.05) | −0.427 | 0.672 |
| UCIVA | 0.26 ± 0.09 (0.21, 0.30) | 0.10 ± 0.07 (0.06, 0.14) | 0.16 ± 0.08 (0.10, 0.22) | 5.660 | <0.001 |
| DCIVA | 0.26 ± 0.08 (0.22, 0.30) | 0.11 ± 0.09 (0.06, 0.16) | 0.15 ± 0.09 (0.09, 0.21) | 5.079 | <0.001 |
| DCNVA | 0.04 ± 0.08 (−0.01, 0.08) | 0.06 ± 0.10 (0.00, 0.11) | −0.02 ± 0.09 (−0.08, −0.04) | −0.686 | 0.498 |
| UCNVA | 0.04 ± 0.08 (−0.01, 0.08) | 0.07 ± 0.10 (0.01, 0.12) | −0.07 ± 0.09 (−0.14, −0.00) | −1.063 | 0.296 |
| Preferred reading distance (cm) | 33.59 ± 3.91 (31.58, 35.60) | 36.94 ± 4.27 (34.66, 39.21) | −3.35 ± 4.08 (−6.25, −0.45) | −2.354 | 0.025 |
| Spherical equivalent (D) | −0.24 ± 0.35 (−0.36, −0.12) | −0.16 ± 0.31 (−0.27, −0.05) | −0.08 ± 0.33 (−0.24, 0.08) | −1.019 | 0.312 |
SD, standard deviation; CI, confidence Interval; D, diopter. aAll parameters were evaluated by the two-sample t-test and were considered to be statistically significant at P < 0.05. bThe visual acuity with a mean difference ≥0.1 logMAR and P < 0.05 was considered to be clinically significant.